下面的代码段是做什么的？有什么严重错误？
#include<iostream>
using namespace std;

int main(){
int *pi = new int(10);
int *pia = new int[10];

while (*pi < 10) {
pia[*pi] = *pi;
*pi = *pi + 1;
}
delete pi;
delete [] pia;
return 0;
}